oworl woorl oowrl oowrl woorl oworl owrol worol orwol rowol wrool rwool oorwl oorwl orowl roowl orowl roowl worol owrol wrool rwool orwol rowol owolr woolr oowlr oowlr woolr owolr owlor wolor olwor lowor wloor lwoor oolwr oolwr olowr loowr olowr loowr wolor owlor wloor lwoor olwor lowor owrlo worlo orwlo rowlo wrolo rwolo owlro wolro olwro lowro wloro lworo orlwo rolwo olrwo lorwo rlowo lrowo wrloo rwloo wlroo lwroo rlwoo lrwoo oorlw oorlw orolw roolw orolw roolw oolrw oolrw olorw loorw olorw loorw orlow rolow olrow lorow rloow lroow orlow rolow olrow lorow rloow lroow worlo owrlo wrolo rwolo orwlo rowlo wolro owlro wloro lworo olwro lowro wrloo rwloo wlroo lwroo rlwoo lrwoo orlwo rolwo olrwo lorwo rlowo lrowo
Note: these 'words' (valid or invalid) are all the permutations of the word oworl. These words are obtained by scrambling the letters in oworl.